Every Day Science MCQs with Explanations

Explanation

Methane (CH4) is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

Explanation

56 ft is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

Explanation

Parker Solar Probe is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

Explanation

Sodium Carbonate is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

Explanation

Speed is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

Explanation

17 km at equator and 7 km at poles is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

Explanation

Actually, milk has a pH of around 6.5 to 6.7, which makes it slightly acidic. Some sources cite milk as being neutral since it is so close to the neutral pH of 7.0.

Explanation

ultraviolet is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

Explanation

Ultraviolet is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

Explanation

Atoms which have the same number of protons but different numbers of neutrons in the nucleus are known as isotopes. Because of the difference in the number of neutrons, they will have the same atomic number, but varying atomic mass (or mass number).